Inline functions that use arguments object in f.apply(o, arguments) pattern.

src/x64/lithium-codegen-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2483 matching lines @@
   __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
   __ SmiToInteger32(result,
                     Operand(result,
                             ArgumentsAdaptorFrameConstants::kLengthOffset));
 
   // Argument length is in result register.
   __ bind(&done);
 }
 
 
-void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
+void LCodeGen::DoWrapReceiver(LWrapReceiver* instr) {
   Register receiver = ToRegister(instr->receiver());
   Register function = ToRegister(instr->function());
-  Register length = ToRegister(instr->length());
-  Register elements = ToRegister(instr->elements());
-  ASSERT(receiver.is(rax));  // Used for parameter count.
-  ASSERT(function.is(rdi));  // Required by InvokeFunction.
-  ASSERT(ToRegister(instr->result()).is(rax));
 
   // If the receiver is null or undefined, we have to pass the global
   // object as a receiver to normal functions. Values have to be
   // passed unchanged to builtins and strict-mode functions.
   Label global_object, receiver_ok;
 
   // Do not transform the receiver to object for strict mode
   // functions.
   __ movq(kScratchRegister,
           FieldOperand(function, JSFunction::kSharedFunctionInfoOffset));
@@ skipping 22 matching lines @@
   __ jmp(&receiver_ok, Label::kNear);
 
   __ bind(&global_object);
   // TODO(kmillikin): We have a hydrogen value for the global object.  See
   // if it's better to use it than to explicitly fetch it from the context
   // here.
   __ movq(receiver, ContextOperand(rsi, Context::GLOBAL_INDEX));
   __ movq(receiver,
           FieldOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
   __ bind(&receiver_ok);
+}
+
+
+void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
+  Register receiver = ToRegister(instr->receiver());
+  Register function = ToRegister(instr->function());
+  Register length = ToRegister(instr->length());
+  Register elements = ToRegister(instr->elements());
+  ASSERT(receiver.is(rax));  // Used for parameter count.
+  ASSERT(function.is(rdi));  // Required by InvokeFunction.
+  ASSERT(ToRegister(instr->result()).is(rax));
 
   // Copy the arguments to this function possibly from the
   // adaptor frame below it.
   const uint32_t kArgumentsLimit = 1 * KB;
   __ cmpq(length, Immediate(kArgumentsLimit));
   DeoptimizeIf(above, instr->environment());
 
   __ push(receiver);
   __ movq(receiver, length);
 
@@ skipping 2130 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64